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spi-gpio.c File Reference
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/spi/spi_gpio.h>
#include "spi-bitbang-txrx.h"

Go to the source code of this file.

Data Structures

struct  spi_gpio
 

Macros

#define DRIVER_NAME   "spi_gpio"
 
#define GENERIC_BITBANG   /* vs tight inlines */
 
#define SPI_MISO_GPIO   ((pdata)->miso)
 
#define SPI_MOSI_GPIO   ((pdata)->mosi)
 
#define SPI_SCK_GPIO   ((pdata)->sck)
 
#define SPI_N_CHIPSEL   ((pdata)->num_chipselect)
 
#define pdata   spi_to_pdata(spi)
 
#define spidelay(nsecs)   do {} while (0)
 

Functions

 MODULE_ALIAS ("platform:"DRIVER_NAME)
 
 module_platform_driver (spi_gpio_driver)
 
 MODULE_DESCRIPTION ("SPI master driver using generic bitbanged GPIO ")
 
 MODULE_AUTHOR ("David Brownell")
 
 MODULE_LICENSE ("GPL")
 

Macro Definition Documentation

#define DRIVER_NAME   "spi_gpio"

Definition at line 80 of file spi-gpio.c.

#define GENERIC_BITBANG   /* vs tight inlines */

Definition at line 82 of file spi-gpio.c.

#define pdata   spi_to_pdata(spi)

Definition at line 113 of file spi-gpio.c.

#define SPI_MISO_GPIO   ((pdata)->miso)

Definition at line 85 of file spi-gpio.c.

#define SPI_MOSI_GPIO   ((pdata)->mosi)

Definition at line 86 of file spi-gpio.c.

#define SPI_N_CHIPSEL   ((pdata)->num_chipselect)

Definition at line 89 of file spi-gpio.c.

#define SPI_SCK_GPIO   ((pdata)->sck)

Definition at line 87 of file spi-gpio.c.

#define spidelay (   nsecs)    do {} while (0)

Definition at line 138 of file spi-gpio.c.

Function Documentation

MODULE_ALIAS ( "platform:"  DRIVER_NAME)
MODULE_AUTHOR ( "David Brownell"  )
MODULE_DESCRIPTION ( "SPI master driver using generic bitbanged GPIO )
MODULE_LICENSE ( "GPL"  )
module_platform_driver ( spi_gpio_driver  )